[p4perl] help for output of p4 revert -a file

[vik y]

>When I type this command: p4 revert -a //depot/...
>some infomation will be print to the screen, showing that if the file
>reverted or file not found.  I try to get those infomation in my script,
>what I get is always 0. Could anybody know how to figure it out?

>The output should be returned from the $p4->Revert( '-a', '//depot/...' ) 
>call. Note the way arguments are quoted above.

What is $p4? I did not use the p4perl package. when I use the statement: 
system ("p4 revert -a //depot/..."); it always returns 0. Could you pls give 
me the details of how to get the output if I do not use the package p4perl? 
or where is the code of p4::Revert?

Thanks

PerlBird

_________________________________________________________________
Powerful Parental Controls Let your child discover the best the Internet has 
to offer.  
http://join.msn.com/?pgmarket=en-ca&page=byoa/prem&xAPID=1994&DI=1034&SU=http://hotmail.com/enca&HL=Market_MSNIS_Taglines 
  Start enjoying all the benefits of MSN® Premium right now and get the 
first two months FREE*.